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1from .iface import Filter
2from typing import Generator
3
4
5class NullFilter(Filter):
6 def __init__(self, **kwargs):
7 pass
8
9 def render(self, s: str, vals: dict) -> str:
10 return s
11
12 def renderfn(self, s: str, vals: dict) -> Generator[str, None, None]:
13 yield self.render(s, vals)
